Examine source code of Black Stallion

{
  "theme": {
    "images": {
      "theme_frame": "BlackStallionHCustom.jpg"
    },
    "colors": {
      "frame": "#266eeb",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Black Stallion",
  "manifest_version": 2,
  "description": "horse, black stallion, rearing, sky, clouds, equine, steed, majestic, My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/9f8836304fc2e557a769a59d8c75f20b547a3d75721fe193fc905d09b2ed622b/http%3A//animals.desktopnexus.com/wallpaper/861108/\" rel=\"nofollow\">http://animals.desktopnexus.com/wallpaper/861108/</a>"
}